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US 11,232,057 B2Granted
Terminal device and control method thereof
AssigneeHisense Visual Technology Co., Ltd.
InventorXuebin Sun
Life of this patent
Estimating the term…
Abstract
The present application is directed to a television device and a control method therefor. The television device comprises an SOC chip, a DFP interface thereof being connected to a switch module via a USB D+/D− differential pair, and the USB D+/D− differential pair between the DFP interface and the switch module being a first channel; a USB Type-C interface main control module provided with a UFP interface, the UFP interface being connected to the switch module via a USB D+/D− differential pair, and the USB D+/D− differential pair between the UFP interface and the switch module being a second channel; and a USB Type-C interface connected to the switch module via a USB D+/D− differential pair. The USB Type-C interface main control module is also connected to the switch module via a control signal line.
Claims12
A terminal device, comprising:
- an System On Chip (SOC) chip comprising a Downstream Facing Port (DFP) interface and an HDMI interface configured to receive or transmit an HDMI signal;
- a USB Type-C interface master control module comprising an Upstream Facing Port (UFP) interface;
- a USB Type-C interface configured to connect with an external device;
- a switch module connected with the DFP interface via a Universal Serial Bus (USB) D+/D− differential pair, connected with the UFP interface via a USB D+/D− differential pair, and connected with the USB Type-C interface via a USB D+/D− differential pair, the USB D+/D− differential pair between the DFP interface and the switch module being a first channel, and the USB D+/D− differential pair between the UFP interface and the switch module being a second channel;
- a multiplexing switch connected to the USB Type-C interface via a USB SSTX/RX differential pair and connected to the DFP interface via a USB SSTX/RX differential pair;
- and
- a protocol conversion module between the multiplexing switch and the HDMI interface;
- wherein the USB Type-C interface master control module is connected to the switch module via a control signal line and is configured to control the switch module to turn on the first channel and turn off the second channel, or turn on the second channel and turn off the first channel;
- wherein the USB SSTX/RX differential pair between the multiplexing switch and the DFP interface is a third channel;
- wherein the multiplexing switch is connected to the HDMI interface via an HDMI signal channel, and the HDMI signal channel between the multiplexing switch and the HDMI interface is a fourth channel;
- wherein the USB Type-C interface master control module is connected to the multiplexing switch via a control signal line and is configured to control the multiplexing switch to turn on the third channel and turn off the fourth channel in response to the external device being a USB device, and control the multiplexing switch to turn on the fourth channel and turn off the third channel in response to the external device being an ALT MODE device;
- and
- wherein the protocol conversion module is configured to convert a DP signal into the HDMI signal in response to the DP signal being transmitted by the ALT MODE device, so as to transmit the HDMI signal to the HDMI interface of the SOC chip.
10 more elements
A terminal device, comprising:
- an SOC chip comprising a plurality of USB D+/D− differential terminals for inputting or outputting a USB D+/D− signal;
- a C interface master control module comprising a plurality of USB D+/D− differential terminals for inputting the USB D+/D− signal or outputting a billboard signal;
- and
- a USB Type-C interface comprising a plurality of USB D+/D− differential terminals for inputting or outputting the USB D+/D− signal, and configured to connect with an external device;
- a switch module connected with the USB D+/D− differential terminals of the SOC chip, connected with the USB D+/D− differential terminals of the C interface master control module, and connected with the USB D+/D− differential terminals of the USB Type-C interface, a USB D+/D− differential pair between the SOC chip and the switch module being a first channel, and a USB D+/D− differential pair between the C interface master control module and the switch module being a second channel;
- and
- a multiplexing switch;
- wherein the C interface master control module further comprises a first control signal output pin for outputting a first control signal or a second control signal and electrically connected to a control signal input pin of the switch module, wherein the first control signal is configured to turn on the first channel and turn off the second channel, and wherein the second control signal is configured to turn on the second channel and turn off the first channel;
- wherein the SOC chip further comprises a plurality of USB SSTX/RX differential terminals for inputting or outputting a USB3.0 signal, and electrically connected to USB SSTX/RX differential terminals of the multiplexing switch to form a third channel;
- wherein the USB Type-C interface further comprises a plurality of USB SSTX/RX differential terminals for inputting or outputting the USB3.0 signal, and electrically connected to the USB SSTX/RX differential terminals of the multiplexing switch;
- wherein the SOC chip further comprises an HDMI differential terminal for receiving or transmitting an HDMI signal;
- wherein the HDMI differential terminal is electrically connected to an HDMI differential terminal of the multiplexing switch to form a fourth channel which is configured to be selected to turn on and turn off;
- wherein the C interface master control module further comprises a second control signal output pin configured to output a third control signal, and electrically connected to a control signal input pin of the multiplexing switch, and wherein the third control signal is configured to turn on the third channel and turn off the fourth channel;
- and
- wherein the C interface master control module further comprises a third control signal output pin configured to output a fourth control signal, and electrically connected to another control signal input pin of the multiplexing switch, and wherein the fourth control signal is configured to turn on the fourth channel and turn off the third channel.
12 more elements
Dependencies are inferred from the claim text.